Search a number
-
+
33031223031331 = 723205162875971
BaseRepresentation
bin1111000001010101011100…
…10100001011011000100011
311022221202100201121100220001
413200222232110023120203
513312140421044000311
6154130200120400431
76646266333133210
oct740525624133043
9138852321540801
1033031223031331
11a585510308358
123855809916117
131557aa5830805
14822a10cd4b07
153c43406d14c1
hex1e0aae50b623

33031223031331 has 8 divisors (see below), whose sum is σ = 39391272186624. Its totient is φ = 27081499628040.

The previous prime is 33031223031293. The next prime is 33031223031343. The reversal of 33031223031331 is 13313032213033.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33031223031331 - 219 = 33031222507043 is a prime.

It is a super-2 number, since 2×330312230313312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33031223031331.

It is not an unprimeable number, because it can be changed into a prime (33031223001331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102581437825 + ... + 102581438146.

It is an arithmetic number, because the mean of its divisors is an integer number (4923909023328).

Almost surely, 233031223031331 is an apocalyptic number.

33031223031331 is a deficient number, since it is larger than the sum of its proper divisors (6360049155293).

33031223031331 is a wasteful number, since it uses less digits than its factorization.

33031223031331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205162876001.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 33031223031331 its reverse (13313032213033), we get a palindrome (46344255244364).

The spelling of 33031223031331 in words is "thirty-three trillion, thirty-one billion, two hundred twenty-three million, thirty-one thousand, three hundred thirty-one".

Divisors: 1 7 23 161 205162875971 1436140131797 4718746147333 33031223031331